diff options
| -rw-r--r-- | test/CodeGen/X86/2004-02-12-Memcpy.llx | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/test/CodeGen/X86/2004-02-12-Memcpy.llx b/test/CodeGen/X86/2004-02-12-Memcpy.llx new file mode 100644 index 0000000000..13b4bf3112 --- /dev/null +++ b/test/CodeGen/X86/2004-02-12-Memcpy.llx @@ -0,0 +1,24 @@ +; RUN: llvm-as < %s | llc -march=x86 | grep movs +declare sbyte* %llvm.memcpy(sbyte* %A, sbyte* %B, uint %amt, uint %align) + +%A = global [1000 x int] zeroinitializer +%B = global [1000 x int] zeroinitializer + + +void %main() { + ; dword copy + call sbyte* %llvm.memcpy(sbyte* cast (int* getelementptr ([1000 x int]* %A, long 0, long 0) to sbyte*), + sbyte* cast (int* getelementptr ([1000 x int]* %B, long 0, long 0) to sbyte*), + uint 4000, uint 4) + + ; word copy + call sbyte* %llvm.memcpy(sbyte* cast (int* getelementptr ([1000 x int]* %A, long 0, long 0) to sbyte*), + sbyte* cast (int* getelementptr ([1000 x int]* %B, long 0, long 0) to sbyte*), + uint 4000, uint 2) + + ; byte copy + call sbyte* %llvm.memcpy(sbyte* cast (int* getelementptr ([1000 x int]* %A, long 0, long 0) to sbyte*), + sbyte* cast (int* getelementptr ([1000 x int]* %B, long 0, long 0) to sbyte*), + uint 4000, uint 1) + ret void +} |